gutenberg / build / scripts / style-engine / class-wp-style-engine-css-rules-store-gutenberg.php

class-wp-style-engine-css-rules-store-gutenberg.php in Gutenberg 23.2.1, at build/scripts/style-engine/class-wp-style-engine-css-rules-store-gutenberg.php

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1	<?php
2	/**
3	* WP_Style_Engine_CSS_Rules_Store_Gutenberg
4	*
5	* A store for WP_Style_Engine_CSS_Rule_Gutenberg objects.
6	*
7	* @package gutenberg
8	*/
9
10	if ( ! class_exists( 'WP_Style_Engine_CSS_Rules_Store_Gutenberg' ) ) {
11
12	/**
13	* Holds, sanitizes, processes and prints CSS declarations for the Style Engine.
14	*
15	* @access private
16	*/
17	class WP_Style_Engine_CSS_Rules_Store_Gutenberg {
18
19	/**
20	* An array of named WP_Style_Engine_CSS_Rules_Store_Gutenberg objects.
21	*
22	* @static
23	*
24	* @var WP_Style_Engine_CSS_Rules_Store_Gutenberg[]
25	*/
26	protected static $stores = array();
27
28	/**
29	* The store name.
30	*
31	* @var string
32	*/
33	protected $name = '';
34
35	/**
36	* An array of CSS Rules objects assigned to the store.
37	*
38	* @var WP_Style_Engine_CSS_Rule_Gutenberg[]
39	*/
40	protected $rules = array();
41
42	/**
43	* Gets an instance of the store.
44	*
45	* @param string $store_name The name of the store.
46	*
47	* @return WP_Style_Engine_CSS_Rules_Store_Gutenberg\|void
48	*/
49	public static function get_store( $store_name = 'default' ) {
50	if ( ! is_string( $store_name ) \|\| empty( $store_name ) ) {
51	return;
52	}
53	if ( ! isset( static::$stores[ $store_name ] ) ) {
54	static::$stores[ $store_name ] = new static();
55	// Set the store name.
56	static::$stores[ $store_name ]->set_name( $store_name );
57	}
58	return static::$stores[ $store_name ];
59	}
60
61	/**
62	* Gets an array of all available stores.
63	*
64	* @return WP_Style_Engine_CSS_Rules_Store_Gutenberg[]
65	*/
66	public static function get_stores() {
67	return static::$stores;
68	}
69
70	/**
71	* Clears all stores from static::$stores.
72	*
73	* @return void
74	*/
75	public static function remove_all_stores() {
76	static::$stores = array();
77	}
78
79	/**
80	* Sets the store name.
81	*
82	* @param string $name The store name.
83	*
84	* @return void
85	*/
86	public function set_name( $name ) {
87	$this->name = $name;
88	}
89
90	/**
91	* Gets the store name.
92	*
93	* @return string
94	*/
95	public function get_name() {
96	return $this->name;
97	}
98
99	/**
100	* Gets an array of all rules.
101	*
102	* @return WP_Style_Engine_CSS_Rule_Gutenberg[]
103	*/
104	public function get_all_rules() {
105	return $this->rules;
106	}
107
108	/**
109	* Gets a WP_Style_Engine_CSS_Rule_Gutenberg object by its selector.
110	* If the rule does not exist, it will be created.
111	*
112	* @param string $selector The CSS selector.
113	* @param string $rules_group A parent CSS selector in the case of nested CSS, or a CSS nested @rule, such as `@media (min-width: 80rem)` or `@layer module`..
114	*
115	* @return WP_Style_Engine_CSS_Rule_Gutenberg\|void Returns a WP_Style_Engine_CSS_Rule_Gutenberg object, or null if the selector is empty.
116	*/
117	public function add_rule( $selector, $rules_group = '' ) {
118	$selector = $selector ? trim( $selector ) : '';
119	$rules_group = $rules_group ? trim( $rules_group ) : '';
120
121	// Bail early if there is no selector.
122	if ( empty( $selector ) ) {
123	return;
124	}
125
126	if ( ! empty( $rules_group ) ) {
127	if ( empty( $this->rules[ "$rules_group $selector" ] ) ) {
128	$this->rules[ "$rules_group $selector" ] = new WP_Style_Engine_CSS_Rule_Gutenberg( $selector, array(), $rules_group );
129	}
130	return $this->rules[ "$rules_group $selector" ];
131	}
132
133	// Create the rule if it doesn't exist.
134	if ( empty( $this->rules[ $selector ] ) ) {
135	$this->rules[ $selector ] = new WP_Style_Engine_CSS_Rule_Gutenberg( $selector );
136	}
137
138	return $this->rules[ $selector ];
139	}
140
141	/**
142	* Removes a selector from the store.
143	*
144	* @param string $selector The CSS selector.
145	*
146	* @return void
147	*/
148	public function remove_rule( $selector ) {
149	unset( $this->rules[ $selector ] );
150	}
151	}
152	}
153